RE: JTOpen - strange behavior of ObjectList - ArrayIndexOutOfBounds when retrieving Object Attributes

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-
bounces@xxxxxxxxxxxx] On Behalf Of Christopher J. Jewell
Sent: Monday, May 21, 2007 5:43 PM
To: JAVA400-L@xxxxxxxxxxxx
Subject: JTOpen - strange behavior of ObjectList -
ArrayIndexOutOfBounds when retrieving Object Attributes

Does anyone have any idea why I might be getting the following strange
behavior from JTopen's com.ibm.as400.access.ObjectList?

1. Successfully create an ObjectList and add the Extended Attribute as
a
value to retrieve:

ObjectList objectList = new ObjectList(this.as400, "MYLIBRARY",
ObjectList.ALL, "*PGM");
objectList.addObjectAttributeToRetrieve(ObjectDescription.EXTENDE
D_ATTRIBUT
E);

2. Do this:

ObjectDescription[] ods = objectList.getObjects(-1, 0);

retrieves all objects in the list as specified,

3. But if do this with the exact same ObjectList:
ObjectDescription[] ods = objectList.getObjects(1, 1); //
get the next one
element

then this throws:
java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)
at
com.ibm.as400.access.ObjectList.getObjects(ObjectList.java:950)
...

I have Googled ArrayIndexOutOfBounds AND ObjectList and have not found
anything - suggesting I'm doing something crazy here!

However, the issue is something to do with the
addObjectAttributeToRetrieve
method because if I comment that, the getObjects works just fine.
Obviously
I can do a objectDescription.getValue() after reading from the
ObjectList
but this involves another call out to the system (according to the
documentation).

Thanks in advance,

Chris Jewell
Korasoft Inc.
San Rafael, CA
mailto:jewellcj@xxxxxxxxxxxx
www.korasoft.com

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